JPH085953A - Head mounted type display - Google Patents

Abstract

PURPOSE:To provide an HMD capable of surely fixing the head in a display device, fully improving mount feeling and maintaining a mounted state even when the head is moved furiously. CONSTITUTION:This display is provided with a front frame 12 provided with a display device 2 on a front surface and surrounding the front of the head, a back frame 14 surrounding the back of the head, a coupling device 30 coupling the frames 12 and 14 to freely move in a back-and-forth direction, belts 16A and 16B peripherally provided around the side of the head on the insides of the frames 12 and 14, a belt tightening device 20 tightening the belts 16A and 16B, and a releasing device releasing the tightening.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head mounted display (hereinafter referred to as "HMD") which is mounted on a head for viewing an image displayed on the display.

[0002]

2. Description of the Related Art Conventionally, an HMD has been used as an apparatus for viewing an image displayed on a display disposed on the front surface when it is mounted on the head. This HMD is used in various fields such as playing a game developed in a three-dimensional space (virtual space) and simulating the interior of a building three-dimensionally. It has become.

A conventional HMD is provided with a display device on the front surface, the display device is supported by a headband, and the display device is fixed to the head by fastening the headband to the head of the player. Is. There is also a type that has a slide type frame and can adjust the length of the frame to securely fix the display to the head.

[0004]

When a game is executed using these HMDs, the head may move violently depending on the content of the game. In the HMD having a structure for fastening the headband to the head, it is difficult to sufficiently support the display, which is a heavy object, with the headband, and there is a problem that the headband bends or is displaced from the head. Therefore, while the game is running,
There are problems such as the HMD falling off the head, the HMD wearing position not being constant, or the wearing feeling (fitting feeling) being poor.

On the other hand, the HMD having a structure in which the frame is fastened to the head has rigidity in the frame portion as compared with the one using the head band, and there is no problem such as bending of the frame, but satisfactory mounting. There is a problem that you can not get a feeling. Also, if you move your head violently during use, H
There is a problem that the MD device comes off the head and it is difficult to determine the mounting position of the HMD.

Further, an HMD used in an amusement park, a game center or the like is used by an unspecified number of players, but the conventional HMD is
For example, binoculars using an eyecup generally have a structure in which the lens surface or the like comes into contact with the eyes. Also, the speaker portion of the headphone is generally of a structure that directly contacts the ear, such as inserting an earphone into the ear, similar to that used for audio or the like.
Therefore, such a structure that directly contacts the eyes and ears of an unspecified number of people has a problem in that it is not preferable for hygiene.

An object of the present invention is to solve the above-mentioned conventional problems. The display device can be securely fixed to the head, and the wearing feeling is sufficiently improved. It is an object of the present invention to provide an HMD capable of reliably maintaining a good wearing state even when the head is violently moved. Moreover, it aims at providing a hygienic HMD even if it is used by an unspecified number of players. Furthermore, an HMD that enables model changes easily
The purpose is to provide.

[0008]

In order to achieve this object, the present invention is provided with a display device on the front surface, and a front frame surrounding a forehead, a rear frame surrounding a occipital region, and the front frame. And a rear frame so as to be movable in the front-back direction of the head, a belt disposed inside both of the front frame and the rear frame and provided around the temporal region, and the belt. HMD including a fastening device for fastening the fastening and a release device for releasing the fastening
Is provided.

The connecting device is provided with a first engaging member arranged on both sides of the front frame and a head portion arranged on both sides of the rear frame and engaging with the first engaging member. And a second engaging member that relatively moves in the front-rear direction.

Further, either one of the first engaging member or the second engaging member may be provided with a rail, and the other may be provided with a slider which moves by engaging with the rail.

Further, a pair of the belts is provided, and a rack is provided at an end portion of each belt on the fastening device side.
A pinion that engages with the rack may be provided.

Further, the HMD according to the present invention may be provided with a pad member which can be pressed against the temple when it is mounted on the head, and the HMD expands or contracts in accordance with the amount of injected air to at least the temporal region. An air bag that can be pressed into contact with the air bag, and a supply / discharge device that supplies and discharges air to / from the air bag may be provided. In addition, a pad member that can be pressed against the crown portion when mounted on the head may be provided.

Further, from the central portion of the rear frame,
The cord connected to the display device may be extended, and the end of the cord opposite to the rear frame may be located above the end on the rear frame side.

In the HMD according to the present invention, the fastening device may be installed at a position deviated from the central portion of the rear frame, and the release device may be arranged at a position deviated from the central portion of the rear frame. May be installed.

Further, the cord and the supply / discharge pipe may be integrally installed. Further, a cord adjusting device for winding and unwinding the cord may be installed at an end opposite to the rear frame of the cord.

Further, a UV cut filter may be provided on the front surface of the display screen of the display device, and when the device is worn on the head, the display device is provided at a predetermined distance from the eyes. May be. Further, the speaker may be arranged at a predetermined distance from the ear.

Further, each of the frames may include a frame body and an outer casing, and the outer casing may be detachably attached to the frame body.

Further, according to the present invention, in an HMD having a display device on the front surface and a support for supporting the display device on the head, the HMD expands and contracts inside the support according to the amount of air injected, An HMD is provided which is provided with an airbag that can be pressed against the head during expansion and is connected to a supply / discharge device for supplying and discharging air to / from the airbag.

Further, in an HMD having a display device on the front surface and a support for supporting the display device on the head, the display device is arranged at a predetermined distance from the eyes when the HMD is mounted on the head. In addition, the present invention provides an HMD in which a speaker is arranged at a predetermined distance from the ear.

[0020]

According to the present invention, the display device is supported by the rigid frame and is securely fixed to the head by the front frame, the rear frame and the belts inside these frames. That is, simply by fastening the belt, the first engaging member and the second engaging member are relatively moved in the front-back direction of the head by the connecting device to move the front frame backward and the rear frame forward. By moving it, the frame will be fixed to the front and back of the head,
Fasten the belt to the head. Therefore, according to the present invention, the HMD can be reliably supported by the frontal region, the back region, and the temporal region only by fastening the belt. Therefore, even if
Even if the head is moved violently, the HMD is prevented from coming off the head and the wearing feeling is improved.

Further, either one of the first engaging member or the second engaging member is provided with a rail, and the other is provided with a slider which engages with the rail to move, thereby achieving the above-mentioned action. In addition, the structure of both engaging members can be simplified, and the front frame and the rear frame can be moved smoothly.

A rack is provided at an end of each of the belts, and a pinion that engages with the rack is provided in the fastening device, so that the lengths of the both belts are simultaneously adjusted only by rotating the pinion. It Therefore, the frontal region, the back region, and the temporal region can be more easily tightened.

Further, by providing the pad member which can be pressed against the temple part, horizontal displacement can be further prevented and the wearing feeling can be further improved.

Further, by providing an air bag that expands and contracts according to the injection amount of air (air) and a supply / discharge device for supplying and discharging air to and from the air bag, stepless tightening according to the air amount is performed. Can be adjusted. Therefore, a horizontal shift can be more reliably prevented, and a higher wearing feeling can be obtained. Further, the pressure change according to the amount of air enables tightening at a desired pressure. Also, by automatically supplying and discharging the air and adjusting the pressure associated therewith, the tightening work can be automatically controlled, and the air can be forcibly discharged in an emergency or the like. Therefore, the tightening can be released regardless of the player's will.

By providing a pad member which can be pressed against the top of the head, the vertical displacement of the HMD can be further prevented and the wearing feeling can be further improved.

Further, by extending the cord connected to the display device from the central portion of the rear frame, it becomes easier to balance the weight of the front portion and the weight of the rear portion. Therefore, it is possible to improve the front-rear and left-right balance when it is mounted on the head, and the feeling of wearing the HMD is improved.

By arranging the end portion of the cord above the head, it is possible to prevent the cord from hindering the player's undercarriage. Moreover, since the one end of the cord is supported above the head of the player, it is possible to reduce the weight of the cord from being added to the HMD. For example, the HMD descends to the back of the head, It is suppressed that it floats up to the department side. Therefore, the game can be played more comfortably.

Further, by disposing (fastening) the fastening device and the releasing device at a position deviated from the central portion of the rear frame, it is possible to make it easier for the player to operate these devices. It is also possible to prevent the fastening device and the releasing device from interfering with each other.

By integrating the cord and the supply / discharge pipe, the structure of the HMD is prevented from becoming complicated, and the supply / discharge pipe is prevented from interfering with the player.

By connecting the end of the cord opposite to the rear frame to the cord adjusting device, the length of the cord depends on, for example, the tension applied to the cord, that is, the movement of the player. Will be adjusted accordingly. Therefore, it is possible to prevent the cord from hindering the movement of the player and prevent the cord from being entangled.

Further, by disposing the UV cut filter on the front surface of the display screen, the burden on the eyes can be reduced.

Further, by disposing the display device and the speaker with a certain distance from the eyes and the ears when the device is mounted on the head, the display device and the speaker can be in direct contact with the player. To be prevented.

Further, by making the outer casing detachable from the frame body, the outer casing can be easily replaced if desired.
Therefore, the model can be easily changed.

[0034]

Embodiments of the present invention will now be described with reference to the drawings.

(Embodiment 1) FIG. 1 is a perspective view of an HMD equipped with a mounting device according to Embodiment 1 of the present invention, FIG. 2 is a plan view of the HMD shown in FIG. 1, and FIG. 3 is a sectional view, FIG. 4 is a partial rear view of the HMD shown in FIG. 1, and FIG. 6 is a ZZ sectional view of FIG.

The HMD 1 shown in FIGS. 1 to 6 includes a display device 2 for displaying a desired image and a mounting device 10 for mounting and supporting the display device 2 on the head.
And are provided.

The mounting device 10 can surround the forehead, can cover both eyes and ears when it is mounted on the head, and has an inner R shape corresponding to the shape of the forehead. Front frame 12 having a hollow, substantially half-ring shape
And a rear frame 14 that can surround the occipital region and that has a hollow substantially half-ring shape with an inner R shape that corresponds to the shape of the occipital region, and that is arranged at both ends of the front frame 12 and the rear frame 14. The front frame 12 and the rear frame 14 are provided with connection devices 30A and 30B that movably connect the front frame 12 and the rear frame 14 in the front-rear direction of the head.

The front frame 12 is provided with the display device 2 at a position facing both eyes when it is mounted on the head. The display device 2 is provided with a concave shape on the inner surface of the front frame 12 so that the display screen 3 is arranged with a predetermined distance from the eyes when the HMD 1 is worn on the head. There is. By doing so, it is possible to prevent direct contact between the player's eyes and the display device 2, which is excellent in hygiene. Further, by disposing a UV cut filter on the front surface of the display screen 3 (on the side close to the eyes), the burden on the eyes of the player can be reduced.

Further, the frame 12 is provided with a speaker 4 for outputting a predetermined sound at a position facing both ears. The speaker 4 is recessed in the inner surface of the front frame 12 so that the speaker 4 is arranged at a predetermined distance from the ear when the HMD 1 is worn on the head. By doing so, direct contact between the player's ears and the speaker 4 can be prevented, which is excellent in hygiene.

As shown in FIG. 2, the ends of the pair of belts 16A and 16B that are provided around the temporal region are fixed to the inside of the front frame 12 at a position corresponding to the temple. Has been done. Pad members 18A and 18B, which are pressed against both temples when the HMD 1 is mounted on the head, are attached to the attachment ends of the belts 16A and 16B.
It is formed so as to project inward. In the center of the front frame 12, a support member 22 having an R shape extending from the forehead to the top of the head and extending to the vicinity of the top of the head is provided. A pad material 24 is provided at the tip of the top side of the support member 22 so as to be in pressure contact with the top of the head. Further, a pad material 26 that can be pressed into contact with the front head is provided in a portion of the front frame 12 corresponding to the front head (in particular, the forehead).

Although not particularly shown, the front frame 12 is an outer portion, that is, the outer casing 120A.
However, the main body portion on the inner side, that is, the main body portion 120B of the front frame 12 provided with the display device 2, the belts 16A and 16B, the speaker 4 and the like described above.
It is configured to be removable. In this example,
The outer casing 120A is the main body 1 of the front frame 12.
It is removably fixed to 20B with screws or the like. In addition, you may make it attachable / detachable without using a screw etc. by the engaging member which can engage both mutually.

The outer casing 120A is attached to the front frame 1
The outer casing 120A can be easily replaced as needed by making it detachable from the main body 120B. For example, a model change can be easily dealt with.

Racks 32A and 32B are formed on the free ends, which are the other ends of the mounting ends of the belts 16A and 16B, as shown in FIG. The racks 32A and 32B are used for the belt fastening device 2 which will be described in detail later.
The belt fastening device 20 is introduced so that it always meshes with the 0 pinion 34. That is, the belts 16 </ b> A and 16 </ b> B operate the belt fastening device 20 in the belt fastening release direction to the maximum, and the pinion 34 is moved even when the front frame 12 and the rear frame 14 are maximally moved in the front-back direction. And the racks 32A and 32B are long enough to hold the meshed state.

Next, the belt fastening device 20 will be described in detail. As shown in FIG. 2, the rear frame 14 includes the belt fastening device 20 at a position corresponding to the right occipital region, that is, at a position offset (offset) from the central portion of the rear frame 14 to the right side. As described above, by disposing the belt fastening device 20 at the position deviated from the central portion of the rear frame 14 to the right side, the player can perform the belt fastening device 2
The 0 can be easily operated without being hindered by the cord 46. Further, as will be described later, the cord 46 can be extended from the central portion of the rear frame 14. As shown in FIGS. 5 and 6, the belt fastening device 20 includes a shaft 3 that applies a rotational force to the pinion 34.
6 and a handle 38 for rotating the shaft 36.

The shaft 36 is internally provided in a housing 37 fixed to the rear frame 14 with a screw 35 so as to project toward the front frame 12 side front end side. A fitting portion 40 having a regular hexagonal cross section is formed at the tip of the shaft 36 on the front frame 12 side, and the fitting portion 40 is formed into a regular hexagonal hole opened at the center of the pinion 34. It is adapted to be detachably attached (this configuration will be described later in detail). That is, the rotation of the shaft is transmitted to the pinion 34 via the fitting portion 40. Further, the shaft 36 is provided with a flange 39 so as to contact the end surface of the pinion 34 on the handle 38 side when the fitting portion 40 is fitted into the hole opened in the central portion of the pinion 34. A coil spring 41, which is an elastic member for urging the flange 39 toward the front frame 12, is provided between the flange 39 and the end surface of the small diameter portion 37B slightly protruding radially inward of the housing 37 on the pinion 34 side. Is installed.

The shaft 3 is located near the other end of the shaft 36.
It is fixed to a handle 38 as a rotating member that rotates 6 via a hexagon nut 42 and a bolt 44 (integrally formed on the shaft 36). The end portion of the housing 37 on the handle 38 side is a hollow protruding flange 3 that projects from the rear frame 14 at a right angle to the handle 38 side.
It is formed as 7A. This protruding flange 37A
Are fitted in a circumferential groove formed in the thickness direction of the handle 38. Then, the handle 38 of the protruding flange side inner wall 38A of the handle 38 and the protruding flange 37A
Gears that mesh with each other are formed on the inner side wall. Then, when the handle 38 is turned, the handle 38 retreats in the direction of separating from the pinion 34 against the bias of the spring 41, however, the handle 38 is retained while the teeth of the protruding flange 37A and the teeth of the inner wall 38A are maintained. 38 rotates around the protruding flange 37A. At this time, the handle 38 rotates the shaft 36 and transmits this rotation to the pinion 34.

On the other hand, when the handle 38 is not operated, the handle 38 and the protruding flange 37A of the housing 37 mesh with each other, and the handle 38 is locked. Therefore, the pinion 34 engages with the racks 32A and 32B provided at the tips of the belts 16A and 16B and rotates. When the handle 38 shown in FIG. 5 is rotated clockwise, the rack 32B moves in the arrow R direction and the rack 32A moves in the arrow L direction at the same time, so that the racks 32A and 32 are moved.
Move B in the direction to be fastened to the head. Further, when this handle 38 is rotated counterclockwise, this fastening is released.

Incidentally, the handle 38 is formed with a recess 38B which is provided so as to make it easy for the finger to come into contact with the handle 38 when it is rotated.

In the belt fastening device 20, when the handle 38 is pulled forward (on the side opposite to the front frame 12), the flange 39 is resisted against the bias of the coil spring 41.
6 moves to the left in FIG. 6, and the fitting portion 40 moves to the pinion 34.
It is structured such that it is disengaged from the hole opened in the central part of the, and the fitting of both is released at once. That is, when the fitting portion 40 is disengaged from the hole, the pinion 34 becomes free, and the fastening of the belts 16A and 16B is easily released. That is, the releasing device of the present invention is configured integrally with the belt fastening device 20.

At a portion corresponding to the occipital region of the rear frame 14, a pad member 45 which can be pressed into contact with the occipital region is provided (see FIG. 1).

Further, in the substantially central portion of the rear frame 14,
A cord 46 connected to the display device 2 is extended. This code 46, as shown in FIG.
When 1 is attached to the head, it is connected to a connection portion above the head (for example, a connection portion of a control device that controls an image or the like displayed on the display screen 3). For this reason, when the HMD 1 is mounted, the end of the cord 46 opposite to the rear frame 14 is always located above the head, so that the cord 46 is prevented from hindering the player. You can Further, since the weight of the cord 46 is supported by the connecting portion,
It is possible to reduce that most of the weight of the cord 46 is added to the frame.

Further, the rear frame 1 of the cord 46.
The tip on the side away from the cord 4 may be connected to a cord adjusting device that winds and unwinds the cord 46 according to the tension applied to the cord 46. As the cord adjusting device, for example, when a player wearing the HMD 1 moves in a direction away from the device to which the tip portion of the cord 46 is connected to apply tension to the cord 46, the tension The cord 46 is rewound in accordance with the above, the length of the cord 46 extending from the rear frame 14 is increased, and when the movement of the player is stopped and the tension is removed, the rewinding of the cord 46 is stopped, For example, the cord 46 may be wound up. In this way, by installing the cord adjusting device, the cord 46
Since the length of the cord 46 extending from the rear frame 14 is adjusted according to the movement of the player, the cord 46
It is possible to prevent the cord from hindering the player and prevent the cord 46 from being entangled.

This rear frame 14 is also the front frame 12
Similarly to the above, the outer casing 140A is configured to be attachable to and detachable from the inner main body portion 140B, and like the front frame 12, is detachably fixed with screws or the like. Similarly, the outer casing may be detachably attached to the side surface.

The connecting device 30 is, as shown in FIG.
First engaging members 50A and 50B fixed to both ends of the front frame 12 and second engaging members 60A and 60B fixed to both ends of the rear frame 14 are provided.

The first engaging members 50A and 50B are, as shown in FIGS. 2 to 4, a hollow housing 51 having an inner R shape corresponding to the side of the head, and fixed inside the housing 51 and later. A slider 52 that engages with the rail 61 of the second engaging members 60A and 60B to be described in detail and moves forward and backward on the rail 61 in accordance with the operation of the handle 38.
And

The second engaging members 60A and 60B have an inner R shape corresponding to the temporal region, and a hollow housing 62 having a size into which the housing 51 can be inserted in a retractable manner. , And a rail 61 fixed to the inside of the housing 62 by screws 63. The rail 61 has a housing 51 on the front frame 12 side.
It is arranged so as to extend inside. The housing 51 is configured to move forward and backward in the housing 62 by moving the slider 52 having a constant width on the rail 61, and the forward-backward movement changes the longitudinal length of the connecting device 30 itself. It has become so.

The inner wall 12A of the front frame 12 (see FIG. 2)
(See FIG. 8), a U-shaped end portion 12B is provided with a cut hole (not shown) which is slightly larger than the end portion of the rail 61, and the belts 16A and 16B are fastened to each other so that the front and rear frames approach each other. At this time, the rail 61 enters into the space 12C of the front frame 12 while elastically deforming through this cut hole (see the alternate long and short dash line). As a result, the slider 52 moves to the rear frame 14 side along the rail 61, and the HMD
Allows 1 to be worn on the head.

Next, a specific operation of the HMD 1 equipped with the mounting apparatus according to this embodiment will be described.

When mounting the HMD 1 on the head, first,
After pulling the dial 38 of the belt fastening device 20 to release the fitting between the fitting portion 40 and the hole opened in the central portion of the pinion 34, the belt 16A and the belt 16B are extended to an appropriate length and connected. The length of the device 30 is extended, and the diameter of the mounting device 10 is expanded to a size that can be easily mounted. Next, H
Set MD1 to the position where you should wear your head and pad 1
8A and 18B on temples, pad material 26 on forehead,
After the pad material 24 is brought into contact with the crown, the belt fastening device 2
The 0 dial 38 is pushed in to fit the fitting portion 40 and the hole opened in the central portion of the pinion 34.

Then, the dial 38 is turned. By this operation, the pinion 34 and the racks 32A and 32B are engaged with each other, and the rack 32A moves in the direction of the arrow L in FIG.
2B moves in the direction of arrow R in FIG. 5 and gradually shortens the length of the belts 16A and 16B. As a result, the belt 16
A and 16B start tightening the temporal parts, and at the same time, the engaging portion 52 moves rearward on the rail 61, the housing 51 is inserted into the housing 62, and the connecting member 3
The length of 0 itself is shortened, the distance between the front frame 12 and the rear frame 14 is reduced, and the pad material 45 is brought into contact with the back of the head. Further, when the dial 38 is turned, the front frame 12 clamps the forehead, the rear frame 14 clamps the occipital region, and the belts 16A and 16B clamp the temporal region.

As described above, the mounting device 10 can securely tighten the forehead, the back of the head and the side of the head. Therefore, even if the head is moved violently, the HMD 1 does not shift from the head. Also, use the temple pad 18A.
Since 18 and 18B press the forehead with the pad material 26, the occipital region with the pad material 45, and the crown with the pad material 24, an excellent fit can be obtained.

Next, it is confirmed that the HMD 1 does not shift even if the head is moved violently, and the rotation of the dial 38 is stopped. Here, since the belt fastening device 20 is provided in a place where the player can easily operate it (on the right side from the center of the rear frame 14), the HDM 1 can be more easily worn.

On the other hand, when the HMD 1 is removed from the head, the dial 38 is pulled to release the fitting between the fitting portion 40 and the hole opened in the center of the pinion 34, and the pinion 34 is freed. To the state of. By doing so, the racks 32A and 32B move in the opposite direction to loosen the belts 16A and 16B, and the coupling device 3
The length of 0 is extended to increase the diameter of the mounting device 10.

In the first embodiment, the belt fastening device 20
In addition, a mechanism for easily relaxing the fastening of the belts 16A and 16B by removing the fitting between the fitting portion 40 and the hole opened in the pinion 34 is provided, but not limited to this, for example,
By rotating the dial 38 counterclockwise, the belt 1
A release mechanism for releasing the fastening of 6A and 16B may be provided.

In the first embodiment, the first engaging member 50
A and 50B and second engaging members 60A and 60B
Although the connection device 30 including the above is described, the connection device according to the present invention is not limited to this, and it is possible to connect the front frame and the rear frame so as to be movable in the front-rear head direction. It only has to have a structure.

In the first embodiment, the belt fastening device having the pinions 34 that engage with the racks 32A and 32B provided at both ends of the belts 16A and 16B has been described. However, the belt fastening device according to the present invention is not limited to this. Need only have a structure capable of fastening the belts 16A and 16B by adjusting the lengths of the belts 16A and 16B.

Further, in the first embodiment, the front frame 12 main body 120B and the portion 12 outside the front frame 12 are provided.
Attaching to and detaching from 0A, and rear frame 14 main body 140B
The case where the fixing member such as the screw is used to attach / detach the portion 140B on the outer side of the rear frame 14 has been described, but the present invention is not limited to this.
B (rear frame 14 main body 140B) and a portion 120A on the outer side of the front frame 12 (a portion 140A on the outer side of the rear frame 14) are provided with engaging portions that engage with each other. Other methods such as detachably fixing the both by combining them may be adopted. Further, it is not necessary to divide into the frame body and the portion on the outside of the frame.

(Example 2) Next, Example 2 according to the present invention
Will be described with reference to the drawings.

FIG. 7 is a plan view of an HMD according to the second embodiment of the present invention. In the second embodiment, the same members as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

The difference between the HMD 1 according to the second embodiment and the HMD according to the first embodiment is that, as shown in FIG.
Instead of 5, the airbag 145 is arranged at a position corresponding to the occipital region of the rear frame 14, and instead of the pad members 18A and 18B, a position corresponding to the temporal region of the front frame 12 and the rear frame 14. The point is that the air bags 118A and 118B are arranged over the position corresponding to the temporal region.

The air bag 145 can be expanded and contracted within the range shown by the solid line and the alternate long and short dash line in FIG. 7 depending on the amount of air contained therein. This air bag 14
5, air is supplied to the air bag 5, and the air bag 145
A supply / exhaust pipe 141 for exhausting air from is connected. This supply / discharge pipe 141 is the same as the outer pipe 1 together with the cord 46.
It is accommodated in 46 (both are integrated). The tip of the supply / discharge pipe 141 is connected to a compressor (not shown) which is a supply / discharge source for supplying / discharging air to / from the air bag 145.

At both ends of the air bag 145, the supply / discharge pipe 1 communicating with the air bags 118A and 118B is provided.
42 and 143 are connected. That is, the air bags 141 and 118A and 118B are connected to the supply / discharge pipe 142.
And 143. The air bags 118A and 118B are also expandable and contractible depending on the amount of air contained therein, as indicated by the solid line and the alternate long and short dash line in FIG.
Air is supplied to 18B from the air bag 145 via the supply / discharge pipes 142 and 143, and is discharged.

The material forming the airbags 118A, 118B and 145 may be stretchable rubber or resin, for example, as long as they have a good fit to the head and do not allow air to pass through. Also, nylon or vinyl may be used.

Next, the specific operation of the HMD 1 according to the second embodiment will be described.

First, as in the first embodiment, the length of the connecting device 30 is extended and the diameter of the mounting device 10 is expanded to a size that allows easy mounting. At this time, if the amount of air contained in the airbags 118A, 118B, and 145 is reduced in advance, the airbag 1 can be expanded when the diameter of the mounting device 10 is increased.
18A, 118B and 145 are out of the way.

Next, the HMD 1 is set at a position to be worn on the head, the pad material 26 is brought into contact with the forehead and the pad material 24 is brought into contact with the crown, and then the dial 38 is turned in the same manner as in the first embodiment.
Tighten the forehead, the back of the head and the side of the head.

Next, a compressor (not shown) is operated to supply air to the air bag 145 via the supply / discharge pipe 141 and supply air to the air bags 118B and 118A via the supply / discharge pipes 142 and 143.
By doing so, the airbags 145, 118A, and 118B are expanded, and the gaps formed between the head and each frame are filled with the shape of the player's head, the shape of the frame, and the like. Therefore, regardless of the shape of the player's head, it can be more surely worn on the head. As a result, the HMD 1 does not deviate from the head even when the head is moved violently. In addition, the pad material 26 is attached to the air bag 1
18A and 118B hold the temporal region of the air bag 145
Since the occiput and the pad member 45 press the occipital region and the crown, respectively, an excellent fit can be obtained.

Next, it is confirmed that the HMD 1 does not shift even if the head is moved violently, and the operation of the compressor is stopped.

On the other hand, when the HMD 1 is removed from the head, an open valve (not shown) is opened to operate the compressor to discharge the air in the air bags 118A, 118B and 145, and then the dial 38 is pulled to carry out the operation. As in Example 1, the diameter of the mounting device 10 is increased.

In the second embodiment, the airbags 118A and 118 are provided on the inner side (inner peripheral side) of each frame shown in the first embodiment.
Although the structure in which B and 145 are provided has been described, the present invention is not limited to this, and the airbag according to the present invention can be applied to any type of HMD.

In the second embodiment, the case where the airbag is provided in the portion corresponding to the temporal region and the portion corresponding to the occipital region has been described, but the present invention is not limited to this, and the airbag is
If it is arranged at a position where it can be pressed against at least the temporal region, for example, the entire inside of the HMD 1 (portion corresponding to the head)
You may arrange over.

The cord 46 and the supply / discharge pipe 141 may be coaxially arranged, or the cord 46 and the supply / discharge pipe 141 may be housed in the same outer pipe. Moreover, both do not necessarily need to be integrated.

[0083]

As described above, according to the HMD of the present invention, the display device is supported by the rigid front frame and is fixed to the head by the front frame, the rear frame and the belt. . That is, by simply fastening the belt, both frames can be surely fixed to the front head and the back head, and at the same time, the belt can be surely fixed to the temporal portion. As a result, even if the head is moved violently, the HMD can be prevented from coming off the head and the wearing feeling can be improved.

Further, by providing either one of the first engaging member or the second engaging member with a rail and the other with a slider that moves by engaging with the rail, the above effect can be obtained. In addition, the structure of both engaging members can be simplified and the frame can be moved smoothly.

By providing racks at the end portions of the both belts and disposing the pinion that engages with the racks in the fastening device, it is possible to more easily tighten the forehead, the occipital region, and the temporal region. . Further, by providing a pad member that can be pressed against the temple part, horizontal displacement can be further prevented and the wearing feeling can be further improved.

Further, since the air bag and the air supply / discharge device are provided, stepless tightening adjustment can be performed depending on the amount of air, horizontal deviation can be more reliably prevented, and a higher wearing feeling can be obtained. Further, by changing the pressure according to the amount of air, it becomes possible to tighten at a desired pressure, the tightening work can be automatically controlled, and the air can be forcibly discharged in an emergency. .

By providing a pad member which can be pressed against the crown, the vertical displacement of the HMD can be further prevented and the wearing feeling can be further improved.

Further, by extending the cord connected to the display device from the central portion of the rear frame, it is possible to improve the front-rear and left-right balance and improve the feeling of wearing the HMD.

Further, by locating the end of the cord above the head, the game can be played more comfortably. Further, by disposing the fastening device and the releasing device at positions deviated from the central portion of the rear frame, it is possible to make it easier for the player to operate these devices, and further, the cord, the fastening device and the releasing device. It is also possible to prevent and from interfering with each other.

By integrating the cord and the supply / discharge pipe, the structure of the HMD can be simplified, and
The supply / discharge pipe is prevented from interfering with the player.

By connecting the end of the cord opposite to the rear frame to the cord adjusting device, it is possible to prevent the cord from hindering the player's operation and prevent the cord from being entangled. .

Further, by disposing the UV cut filter on the front surface of the display screen, the burden on the eyes can be reduced. Display device and speaker
By arranging it at a position where it does not come into direct contact with the player, it becomes excellent in hygiene.

Further, by making the outer casing detachable from the frame body, the outer casing can be easily replaced if desired.
Therefore, the model can be easily changed.

[Brief description of drawings]

FIG. 1 is a perspective view of an HMD according to a first embodiment of the present invention.

FIG. 2 is a plan view of the HMD shown in FIG.

FIG. 3 is a sectional view taken along line XX of FIG. 2;

FIG. 4 is a sectional view taken along line YY of FIG.

5 is a partial rear view of the HMD shown in FIG.

6 is a sectional view taken along line ZZ in FIG.

FIG. 7 is a plan view of an HMD according to a second embodiment of the present invention.

[Explanation of symbols]

 1 HMD 10 Mounting Device 12 Front Frame 14 Rear Frame 16A Belt 16B Belt 20 Belt Fastening Device 30 Coupling Device 118A, 118B, 145 Airbag

Claims (17)

[Claims] 1. A front frame including a display device on a front surface thereof, the front frame enclosing a forehead, the rear frame enclosing a occipital region, and the front frame and the rear frame movably connected in a front-back direction of the head. A connecting device, a belt disposed inside both of the front frame and the rear frame and provided around the temporal region, a fastening device for fastening the belt, and a releasing device for releasing the fastening. , A head mounted display. 2. The connecting device is arranged on both sides of the front frame and first engaging members arranged on both sides of the front frame, while engaging with the first engaging member. The head mounted display according to claim 1, further comprising a second engaging member that relatively moves in the front-back direction of the head. 3. The head mounted according to claim 2, wherein one of the first engaging member and the second engaging member includes a rail, and the other includes a slider that moves by engaging with the rail. display. 4. A pair of the belts, a rack is provided at an end of each belt on the fastening device side, and the fastening device includes a pinion that engages with the rack. Head mounted display described in. 5. The head mounted display according to claim 1, further comprising a pad member that can be pressed against the temple part when the head mounted display is mounted on the head. 6. An air bag that expands and contracts according to the amount of injected air when attached to the head, and can press and contact at least the side of the head, and supply and discharge of air to and from the air bag. The head mounted display according to any one of claims 1 to 5, further comprising a device. 7. The head mounted display according to claim 1, further comprising a pad member that can be pressed against the top of the head when the head mounted display is mounted on the head. 8. The cord connected to the display device extends from a central portion of the rear frame.
The head-mounted display according to claim 7. 9. The head mounted display according to claim 8, wherein an end of the cord opposite to the rear frame is located higher than an end of the rear frame. 10. The fastening device and the releasing device are installed at positions displaced from the central portion of the rear frame.
10. The head mounted display according to claim 9. 11. The head mounted display according to claim 8, wherein the cord and the supply / discharge pipe are integrated with each other. 12. The cord adjusting device for winding and unwinding the cord is connected to an end portion of the cord opposite to a rear frame thereof.
The head mounted display according to any one of 1. 13. The head mounted display according to claim 1, wherein a UV cut filter is provided on a front surface of a display screen of the display device. 14. The display device is arranged at a predetermined distance from the eyes when mounted on the head, and the speaker is arranged at a predetermined distance from the ears. Item 14. The head-mounted display according to any one of items 13. 15. The frame according to claim 1, wherein each frame includes a frame main body and an outer casing, and the outer casing is configured to be detachable from the frame main body. Head mounted display. 16. A head mounted display comprising a display device on the front surface and a support for supporting the display device on the head, wherein the expansion and contraction and expansion are performed inside the support according to the amount of air injected. A head mounted display, which is provided with an air bag that can be pressed against the head, and is connected to a supply / discharge device for supplying and discharging air to / from the air bag. 17. A head mounted display comprising a display device on the front surface and a support for supporting the display device on the head, wherein the display device is located at a predetermined distance from the eyes when worn on the head. A head mounted display in which a speaker is arranged and a speaker is arranged at a predetermined distance from the ear.